ttk-app-core
Version:
enterprise develop framework
250 lines (221 loc) • 7.28 kB
JavaScript
function getPrecision(value) {
const valueString = value.toString()
//取e-后字符转换成int,e-10=>10
if (valueString.indexOf('e-') >= 0) {
return parseInt(valueString.slice(valueString.indexOf('e-') + 1), 10)
}
let precision = 0;
//取小数点后字符长度0.0001=>4
if (valueString.indexOf('.') >= 0) {
precision = valueString.length - valueString.indexOf('.') - 1
}
//否则0
return precision
}
function format(number, decimals, thousandsSep, decPoint) {
number = (number + '').replace(/[^0-9+-Ee.]/g, '')
var n = !isFinite(+number) ? 0 : +number,
prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
sep = typeof thousandsSep !== 'string' ? ',' : thousandsSep,
dec = typeof decPoint !== 'string' ? '.' : decPoint,
s = ''
s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.')
var re = /(-?\d+)(\d{3})/
while (re.test(s[0])) {
s[0] = s[0].replace(re, "$1" + sep + "$2")
}
if ((s[1] || '').length < prec) {
s[1] = s[1] || ''
s[1] += new Array(prec - s[1].length + 1).join('0')
}
return s.join(dec)
}
function toFixedFix(number, prec) {
number = (number + '').replace(/[^0-9+-Ee.]/g, '')
var k = Math.pow(10, prec)
return '' + Math.round(number * k) / k
}
function toFixedLocal(value, precision){
let ret = value
if (value && value.toString().indexOf('.') > -1) {
if(value.toString().split('.')[1].length > precision){
if (!isNaN(value)) {
ret = parseFloat(Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision))
} else {
ret = 0
}
}
}
return ret
}
function transferData(amount) {
let ret
if (amount == null || amount == '' || amount == undefined || isNaN(parseFloat(amount))) {
ret = 0
} else {
ret = parseFloat(clearThousPos(amount))
}
return ret
}
function round(number, prec) {
number = number == undefined ? 0 : number
number = (number + '').replace(/[^0-9+-Ee.]/g, '')
var n = !isFinite(+number) ? 0 : +number,
prec = !isFinite(+prec) ? 0 : Math.abs(prec)
var k = Math.pow(10, prec)
return Math.round(number * k) / k
}
function moneySmalltoBig(money) {
//贷方金额为负时未处理
let cnNums = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"), //汉字的数字
cnIntRadice = new Array("", "拾", "佰", "仟"), //基本单位
cnIntUnits = new Array("", "万", "亿", "兆"), //对应整数部分扩展单位
cnDecUnits = new Array("角", "分", "毫", "厘"), //对应小数部分单位
cnInteger = "整", //整数金额时后面跟的字符
cnIntLast = "元", //整型完以后的单位
maxNum = 999999999999999.9999, //最大处理的数字
IntegerNum, //金额整数部分
DecimalNum, //金额小数部分
ChineseStr = "", //输出的中文金额字符串
parts, //分离金额后用的数组，预定义
zeroCount, IntLen
if (money === "") {
return "";
}
money = parseFloat(money);
//alert(money);
if (money >= maxNum) {
$.alert('超出最大处理数字');
return "";
}
if (money == 0) {
ChineseStr = cnNums[0] + cnIntLast + cnInteger;
//document.getElementById("show").value=ChineseStr;
return ChineseStr;
}
money = money.toString(); //转换为字符串
if (money.indexOf(".") == -1) {
if (money > 0) {
IntegerNum = money;
} else {
var tempInteger = money.split('')
tempInteger.splice(0, 1)
IntegerNum = tempInteger.join('');
}
DecimalNum = '';
} else {
if (money.split(".")[1].length > 2) {
money = parseFloat(money).toFixed(2)
}
parts = money.split(".");
if (money > 0) {
IntegerNum = parts[0];
} else {
var tempInteger = parts[0].split('')
tempInteger.splice(0, 1)
IntegerNum = tempInteger.join('');
}
DecimalNum = parts[1].substr(0, 4);
}
if (parseInt(IntegerNum, 10) > 0) {//获取整型部分转换
zeroCount = 0;
IntLen = IntegerNum.length;
for (let i = 0; i < IntLen; i++) {
let n = IntegerNum.substr(i, 1);
let p = IntLen - i - 1;
let q = p / 4;
let m = p % 4;
if (n == "0") {
zeroCount++;
} else {
if (zeroCount > 0) {
ChineseStr += cnNums[0];
}
zeroCount = 0; //归零
ChineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
}
if (m == 0 && zeroCount < 4) {
ChineseStr += cnIntUnits[q];
}
}
ChineseStr += cnIntLast;
//整型部分处理完毕
}
if (DecimalNum != '') {//小数部分
let decLen = DecimalNum.length;
for (let i = 0; i < decLen; i++) {
let n = DecimalNum.substr(i, 1);
if (n != '0') {
ChineseStr += cnNums[Number(n)] + cnDecUnits[i];
}
}
}
if (ChineseStr == '') {
ChineseStr += cnNums[0] + cnIntLast + cnInteger;
}
else if (DecimalNum == '') {
ChineseStr += cnInteger;
}
if (money < 0) {
ChineseStr = `负${ChineseStr}`
}
return ChineseStr;
}
/**
* 为数值增加千分位
* input 具体数值
* isFixed false: 格式化为整数，非false：保留两位小数位
* isRetailZero true：保留0 false：将0转换为''
*/
function addThousPos(input, isFixed, isRetailZero, precision) {
if (isRetailZero) {
if (input == null || input == undefined || isNaN(parseFloat(input))) return ''
} else {
if (input == null || input == '' || input == undefined || isNaN(parseFloat(input)) || parseFloat(input) == 0) return ''
}
if (input.toString().indexOf(',') > -1) {
return input
}
let num,
regex = /(\d{1,3})(?=(\d{3})+(?:\.))/g
if (isFixed == false) {
num = parseFloat(input).toFixed(0).toString()
regex = /(\d)(?=(?:\d{3})+$)/g
} else {
num = precision ? parseFloat(input).toFixed(precision).toString() : parseFloat(input).toFixed(2).toString()
}
return num.replace(regex, "$1,")
}
/**
* 去除数值的千分位
* num 具体数值
* isRetOriginalVal true: 保留原始值，false：返回0
*/
function clearThousPos(num, isRetOriginalVal) {
let ret
if (num && num.toString().indexOf(',') > -1) {
ret = parseFloat(num.toString().replace(/,/g, ""))
} else {
if (num == undefined || isNaN(num) || num == null || num.toString().replace(/\s+/g, '') == '') {
if (!!isRetOriginalVal) {
ret = num
} else {
ret = 0
}
} else {
ret = parseFloat(num)
}
}
return ret
}
export default {
getPrecision,
format,
round,
toFixedFix,
moneySmalltoBig,
transferData,
toFixedLocal,
clearThousPos,
addThousPos
}